AutoMeter - P72021 - DIESEL GAUGE KIT,A-PILLAR W/SPKR,GM 01-07,BOOST/EGT,35PSI/2K Degrees F,BLK,SPEK

7 color user-selectable background illuminations (red, blue, green, white, yellow, orange, and violet) with adjustable brightness for day and night - with independent dimming of dial and pointer.